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Finding the Fourth Proportional to 325,771.20, 488,656.80 and 247,039.20

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Solution

The fourth proportional to 325,771.20, 488,656.80 and 247,039.20 is: 370,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,771.20 : 488,656.80 = 247,039.20 : x
  2. Step 2: Convert to fraction form
    325,771.20/488,656.80 = 247,039.20/x
  3. Step 3: Cross multiply
    325,771.20x = 488,656.80 × 247,039.20
  4. Step 4: Simplify right side
    325,771.20x = 120,717,384,946.56
  5. Step 5: Solve for x
    x = 120,717,384,946.56/325,771.20
  6. Step 6: Final answer
    x = 370,558.80

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